CitiusTech Senior Software Engineer Interview Questions, Process, and Tips

Authentication in .NET involves using various authentication mechanisms such as Forms Authentication, Windows Authentication, and OAuth.

• Use Forms Authentication for web applications

• Use Windows Authentication for intranet applications

• Use OAuth for third-party authentication

• Implement authentication using ASP.NET Identity

• Use secure password storage mechanisms such as hashing and salting

Dependency injection is a design pattern where an object's dependencies are provided externally rather than created internally.

• Dependency injection helps to decouple components and make them more modular.

• It allows for easier testing and maintenance of code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of creating a database connection ob...read more

A pipe is a feature in Angular that allows you to transform data before displaying it.

• Pipes are used in Angular templates with the '|' symbol.

• There are built-in pipes like 'uppercase' and 'date'.

• Custom pipes can be created using the 'Pipe' decorator and implementing the 'PipeTransform' interface.

• Custom pipes can take arguments to modify their behavior.

• Pipes can be chained together to perform multiple transformations on

Middleware is software that acts as a bridge between different applications, allowing them to communicate and exchange data.

• Middleware is a layer of software that sits between applications and operating systems

• It provides services such as message routing, authentication, and data transformation

• Examples include Apache Tomcat, Microsoft IIS, and IBM WebSphere

No, assigning null to an array makes it empty and its length becomes 0.

• Assigning null to an array makes it empty.

• The length of an empty array is 0.

• Trying to access length property of null will result in an error.

Null value in JavaScript represents absence of any object value.

• Null is a primitive value in JavaScript.

• It is assigned to a variable to indicate that it has no value.

• It is different from undefined, which means a variable has been declared but not assigned a value.

• Null is falsy in JavaScript, meaning it is considered false in a boolean context.

• Null can be used to clear the value of an object property.